Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Deyou Liu"'
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2963 (2024)
The performance of wind turbines directly determines the profitability of wind farms. However, the complex environmental conditions and influences of various uncertain factors make it difficult to accurately assess and monitor the actual power genera
Externí odkaz:
https://doaj.org/article/9504c9aa588b40b79cc556235c3a1df6
Publikováno v:
Aqua, Vol 71, Iss 6, Pp 751-767 (2022)
A three-dimensional (3D) computational fluid dynamics (CFD) approach is developed to elaborate the water-hammer pipe flow and 3D detailed dynamic characteristics of a closing ball valve. The proposed CFD approach considers the water compressibility a
Externí odkaz:
https://doaj.org/article/bfab05e7d80a4304b83240a3fc58f08d
Publikováno v:
Aqua, Vol 71, Iss 4, Pp 546-562 (2022)
A finite-volume second-order Godunov-type scheme (GTS) combining the unsteady friction model (UFM) is introduced to simulate free surface flow in pipelines. The exact solution to the Riemann problem calculates the mass and momentum fluxes while consi
Externí odkaz:
https://doaj.org/article/3ddc0ab5ec8546c7b5b1bbc018a01df4
Publikováno v:
Applied Sciences, Vol 13, Iss 23, p 12874 (2023)
In this study, the phenomenon of column separation that occurs in the downstream pipeline of a rapid closure valve is experimentally investigated. Special attention is paid to the dynamic behavior of the formation, growth, and collapse processes of c
Externí odkaz:
https://doaj.org/article/4a3e74f53a514a25ad5b9c4ccc0191f6
Publikováno v:
Water, Vol 15, Iss 16, p 2893 (2023)
In this paper, an accurate numerical model is presented for one-dimensional open-channel flows with varying topographies; the model is specifically applied to rectangular channels with variable widths. A pressure term is introduced in the shallow wat
Externí odkaz:
https://doaj.org/article/3d8c496040ba4d5b8686a110957aeb53
Publikováno v:
Water, Vol 15, Iss 15, p 2784 (2023)
Water–air interaction (mixing of gas and water and gas dissolution into water) is one of the main reasons for gas loss in air cushion surge chambers. With the increase of water head in hydraulic power generation systems, the heat and mass transfer
Externí odkaz:
https://doaj.org/article/e8d373525f06448499103ef66cd34ae2
Autor:
Yue Liu, Jianwei Lu, Jian Chen, Yong Xia, Daohua Liu, Yinying Hu, Ruilin Feng, Deyou Liu, Ling Zhou
Publikováno v:
Water, Vol 15, Iss 15, p 2742 (2023)
In various water transmission systems such as long-distance water transfer projects and hydropower stations, accurate simulation of water hammer is extremely important for safe and stable operation and the realization of intelligent operations. Previ
Externí odkaz:
https://doaj.org/article/cb48bb721cb743a3b024e1c6bf39f8f4
Publikováno v:
IEEE Access, Vol 8, Pp 78565-78575 (2020)
Accurate calculation of water/steam temperature and pressure in the solar field of direct steam generation (DSG) parabolic trough is essential to power dispatch and control. However, it is very difficult to achieve satisfied accuracy in limited time
Externí odkaz:
https://doaj.org/article/72a828b5a95e49e8aec734fe827820f2
Publikováno v:
Buildings, Vol 12, Iss 4, p 457 (2022)
The increasing excavated soil from construction projects has become a big problem in the sustainable development of megacities worldwide. Even though excavated soil management concerns are receiving increased attention, low rates of excavated soil re
Externí odkaz:
https://doaj.org/article/d74b1842e02c4ca0af5996a7661eb094
Publikováno v:
International Journal of Photoenergy, Vol 2018 (2018)
A solar chimney PV/T power plant (SCPVTPP) is proposed. Mathematical models are established for the PV/T solar collector, the chimney, and the power conversion unit, respectively. Performances of the designed SCPVTPP are then simulated. The SCPVTPPs
Externí odkaz:
https://doaj.org/article/cf50eb9c248d443fb6a1bc53db183c13